The Libido its Role in the Structure and Function of the Human Psyche.

The libido key for sexual activity fuel of psychic energy, regulated by sex hormones and neurotransmitters. Hypoactive sexual desire disorder, affects 10% or 6 million premenopausal women in USA. Freud: libido, energy found in the Id, the unconscious structure of the psyche, has phases in toddlers: Oral stage, Anal stage, Phallic stage, Genital stage in adults. Jung: libido is the totality of psychic energy. Psychological factors reduce the desire for sex: lack of privacy, stress , depression, sexual abuse. Posttraumatic Stress Disorder: decreased brain activity in areas of emotion. Libido is affected by hypothyroidism, medications, attractiveness of one's partner, contraception in women. Erection induced by environment. Freud: The iceberg metaphor relates Ego, Id, Superego with conscious and unconscious mind. Libido drives: Eros and Thanatos. Eroticism: humans experience sex, key in hominization. Electromagnetic waves with brain stimulation change the sex drive libido. Psychoanalysis: tool in life. Consciousness is self in space-time. First appearing in the Mayans and Incans. Developmental psychologist: Stages of cognitive and moral quality.